MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://jacksth.ru/strik?utm_term=por+que+aparecen+piedras+en+los+ri%25C3%25B1ones PDF link annotation
- https://cdn.sqhk.co/vizinifum/rZNijie/tovinawijevasi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443608/normal_6047e1a55b7e0.pdfIn PDF document text
- https://cdn.sqhk.co/lijipatalenu/hfKhitL/farm_animals_names_in_spanish.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4475863/normal_6026ce5aeb300.pdfIn PDF document text
- https://cdn.sqhk.co/vupapevixu/hDMhagg/kung_fu_rabbit_cast_video.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://203aa715-7352-46b1-b16b-5d0aeeaa27a2.filesusr.com/ugd/0582e0_69b341f1e95946bca9c5d5f3eb633f13.pdf?index=trueIn PDF document text
- https://3ae4d138-4ba3-4962-98fb-1b98b40a6a82.filesusr.com/ugd/38062a_001dc4b2ff5446e3aef179498361da6f.pdf?index=trueIn PDF document text
- http://xaramoturowuf.rf.gd/nisovosige.pdfIn PDF document text
- https://cff07a16-13b2-455b-8a78-148a75b158b4.filesusr.com/ugd/cda0c7_23c2082513ef4a28ab5f24a30cd1b94c.pdf?index=trueIn PDF document text
- https://ecfc1f44-6648-4072-bff5-6ee4adcfbe4f.filesusr.com/ugd/e5a943_5587a1c00a87464b815153e628618980.pdf?index=trueIn PDF document text
- https://e5eb5b25-b33c-43e3-82d5-57ab1bf863d8.filesusr.com/ugd/b0c717_eae287c86b5a4e08a374c54931e969f6.pdf?index=trueIn PDF document text
- http://wowijikozo.epizy.com/l_amant_en_francais.pdfIn PDF document text
- https://3ced707c-20bd-49bb-93f1-edb15be4e391.filesusr.com/ugd/e90305_5a6f3f290fa241a0b985cfbc31b8cc96.pdf?index=trueIn PDF document text
- https://e222b685-7c7f-4cee-b050-218328c89257.filesusr.com/ugd/c0232f_bf6a93618c3740a99b9d13359d8f9b65.pdf?index=trueIn PDF document text
- https://4121a797-204a-431c-92a8-8e24072fb342.filesusr.com/ugd/b972d5_9ced7dd30e19438ab2d05805f1dad5cb.pdf?index=trueIn PDF document text
- https://041aa876-b65b-432c-96c0-58c8b295a4e4.filesusr.com/ugd/90d19e_8947c68a587d486881b04dff42becb1f.pdf?index=trueIn PDF document text
- http://sezajuvijib.rf.gd/relijazekux.pdfIn PDF document text
- https://60883313-e483-4213-bdf2-3844198a3b35.filesusr.com/ugd/3ba96b_b9793b9dd22245e08a2f291dfc09f66e.pdf?index=trueIn PDF document text
- http://felawikemuda.epizy.com/hp_elitebook_850_g5_notebook_pc_datasheet.pdfIn PDF document text
- https://601bead5-a720-4f65-98db-62fe2a42cb91.filesusr.com/ugd/0e52b4_739c10296cdd4cabb6d779c1a8e70421.pdf?index=trueIn PDF document text
- https://cdb53ace-3f3f-41e1-823e-0ecf3add8ba2.filesusr.com/ugd/47e9e0_a96d8dc17e4e4acf9260008fb1e70b8b.pdf?index=trueIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e885.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE885 | 5404 bytes |
SHA-256: 83a45891fd09ca2902b7359979374550f217c54a837b5b595f26bfb140d04420 |
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font_01_sfnt_off0000faad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAAD | 11308 bytes |
SHA-256: 04001ed79794fdc554524320e6b7e8f4e604173f96c316cc854653f1cc17be54 |
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